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MP159

MP159 Fasteners


Ultra-strength combined with extreme temperature capabilities


MP159 fasteners for high temperature strength


  • Extreme high strength properties up to 275 ksi ultimate tensile.

  • Maintains superior strength to 1100°F.

  • MP159 chemisty and specification

  • Datasheet for MP159


As aerospace engineering advances, so must the materials to meet the technological requirements of this industry. Fasteners made from MP159 have been developed to provide a solution to high temperature, high strength components. MP159 fasteners offer strength capabilities similar to other Cobalt Alloys (MP35N) but can be used at much higher temperatures - up to 1100°F, compared to MP35N’s usable limit of 800F. In addition, MP159, can be used beyond 1100°F in short term situations.


Key Benefits

  • High ultimate tensile strength of 275 ksi and yield strength of 265 ksi (Cold Worked and Age Hardened) combined with excellent ductility and toughness

  • Similar corrosion resistance compared to MP35N which is usable in mineral acids, hydrogen sulfide, seawater and salt spray environments.

  • Excellent fatigue resistance and creep strength at elevated temperatures

  • Excellent resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement


Applications

  • The aerospace industry relies on MP159 fasteners for its most advanced gas turbine and jet engines, rocket boosters and jet propulsion systems.

  • Power generation and chemical processing utilize MP159 bolts for applications that demand high strength at extreme temperatures.


Resources: MP159 Torque Spec

MP159 Fastener Types: Bolts, Nuts, Screws, Studs, Threaded Rod, Washers




MP159 Chemistry and Specifications

MP159N Specifications: UNS R30159

MP159CoNiCrFeMoTiNbAl
Typical%35.725.5199730.60.2

 



MP159 High Strength Data

Cold Worked, 48% +1225eF (663eC)/4 hrs/AC
UTSksi(MPa)275(1895)
Yield strength at 0.2% ksi (MPa)265(1825)
% Elogation8
%RA35
Shear strength ksi (MPa) Per MIL-STD-1312138(951)
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